Thermodynamic properties of a rotating Bose-Einstein condensation in a harmonic plus quartic trap Tharwat M. El-Sherbini, Doaa Hassan, Abdelhamid A. Galal and Ahmed S. Hassan Eur. Phys. J. D, 67 8 (2013) 185 Published online: 19 August 2013 DOI: 10.1140/epjd/e2013-40243-x